US4422702A - Vacuum cleaner electrical connector - Google Patents
Vacuum cleaner electrical connector Download PDFInfo
- Publication number
- US4422702A US4422702A US06/306,283 US30628381A US4422702A US 4422702 A US4422702 A US 4422702A US 30628381 A US30628381 A US 30628381A US 4422702 A US4422702 A US 4422702A
- Authority
- US
- United States
- Prior art keywords
- plug
- vacuum cleaner
- base
- stop shoulder
- wand
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/005—Electrical coupling combined with fluidic coupling
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/24—Hoses or pipes; Hose or pipe couplings
- A47L9/242—Hose or pipe couplings
- A47L9/246—Hose or pipe couplings with electrical connectors
Definitions
- This invention relates to vacuum cleaner structures and in particular to means for providing separable electrical connection between a wand and suction hose portion of a vacuum cleaner structure.
- a vacuum cleaner attachment wand having a demountable electrical connector.
- the connector is associated with a slide mounted on the wand. Electrical power is provided to a connector which is adapted to be mounted adjacent the slide.
- the slide is provided with an outwardly opening notch and stop.
- the plug of the electrical connector is slid along the slide for engagement therewith and a pivotable lock selectively retains the plug against the slide stop. While the Lyman et al electrical connector structure comprised an excellent electrical connector for use in such vacuum cleaner attachments, it was relatively expensive and the present invention is directed to the provision of an electrical connector for such use which is substantially less complex and costly.
- Eric G. Doubleday illustrates, in U.S. Pat. No. 3,961,647, a vacuum cleaner connector plug provided at a freely extending distal end of the cord mounted to the wand.
- U.S. Pat. No. 3,965,526, connectors are provided at the opposite ends of the cord carried by the suction hose assembly.
- a clip for holding together an electric plug and socket on separate extension cords is disclosed in U.S. Pat. No. 4,183,603 of Robert Donarummo.
- the clip is generally U-shaped and has holes through the legs thereof for passing the cords permitting the interconnected plug and socket to be disposed between the legs in the connected arrangement.
- the present invention comprehends an improved vacuum cleaner structure wherein a plug is removably mounted to the vacuum cleaner structure wand for selective engagement with a corresponding electrical connector portion carried by the hose.
- the plug is provided at one end of the power cord connected to the electrical device provided at the opposite end of the wand.
- the plug is removably received in a plug housing which is arranged to provide positive retention of the plug in accurate electrical connection with the complementary electrical connector of the hose while yet permitting ready disconnection of the plug when desired.
- the plug housing defines a base portion carried on the end of the wand, a guide portion having a through opening aligned with the electrical connection means on the hose end as an incident of the mechanical connection of one end of the wand to the suction hose end, and a rigid plug stop shoulder on the base portion spaced from the guide portion a preselected distance for effectively preventing movement of the plug outwardly from the guide portion through opening.
- a retaining means may be provided on the base for releasably retaining the conducting means for movement away from the base, thereby defining means for effectively retaining the plug in the installed disposition inwardly of the top shoulder in the normal use of the apparatus.
- the plug stop shoulder and the retaining means are formed integrally with the base portion of the plug housing.
- the retaining means in the illustrated embodiment, comprises means for releasably gripping the cord adjacent the plug and, more specifically, is illustrated as including at least two pairs of cooperating gripping fingers for gripping the cord at spaced locations adjacent the plug.
- the guide portion of the plug housing in the illustrated embodiment, defines a guide surface outwardly of the through opening for slidably guiding the distal end of the plug into the opening with the other end of the plug extending angularly outwardly away from the base portion of the plug housing and permitting the other end of the plug to be subsequently moved inwardly toward the base portion to the installed disposition of the plug.
- web means are provided on the base of the plug housing outwardly of the stop shoulder means for rigidifying the stop shoulder means against outward deflection by the plug means.
- the web means may be formed integrally with the base portion and the plug stop shoulder portion of the plug housing.
- the invention comprehends an improved vacuum cleaner structure for use with a cleaning tool wand which may include a power driven brush.
- the vacuum cleaner structure includes an electrical insulator secured to the wand and having a receptacle to removably receive an electrical plug on the end of a power cord, a slot with cord grips to receive and grip the cord, and a stop to prevent movement of the plug longitudinally of the wand, and an insulated power cord having a plug to be removably received in the insulator receptacle, the plug having an extension of larger cross section than the insulation on the cord to cooperate with the insulator stop to provide a strain relief for the cord, whereby the wand may be used with a cleaning tool to transmit electrical power to the cleaning tool when it includes a power driven brush and the plug and cord may be readily removed from the wand when the wand is not being used with a power driven brush.
- the vacuum cleaner structure of the present invention is extremely simple and economical of construction while yet providing a highly improved electrical connection means for use therein.
- FIG. 1 is a fragmentary perspective view illustrating a vacuum cleaner construction having electrical connection means embodying the invention
- FIG. 2 is a fragmentary enlarged perspective view of the electrical connecting means of the present invention
- FIG. 3 is a fragmentary enlarged perspective view looking in a direction opposite to that of FIG. 2 and with parts broken away to facilitate illustration of the invention
- FIG. 4 is a fragmentary diametric section of the vacuum cleaner structure
- FIG. 5 is a fragmentary elevation of the hose and wand structure prior to the installation of the connector plug therein.
- a vacuum cleaner structure generally designated 10 is shown to include a suction nozzle 11 connected to one end 12 of a wand 13 having an upper end 14 removably mechanically connected to a handle end 15 of a suction hose 16 adapted to be gripped by the user of the vacuum cleaner structure in effecting a vacuum cleaning operation.
- the nozzle 11 may be provided with an electrically driven brush assembly (not shown) of conventional construction and the invention is concerned with the provision of an electrical connector plug generally designated 17 and associated plug housing 18 for providing electrical power to the nozzle electrical means from a power supply conductor 19 and through a power cord 20 connected to the plug 17.
- the power cord 20 is flexible and is provided with an outer wall 20a of a suitable resilient electrical insulation material.
- plug 17 comprises a molded element illustratively carrying the male terminals 21 and 22 of the electrical connection means 23.
- An electrical connector receptacle 24 is mounted to the hose handle portion 16 within a housing 25.
- plug housing 18 includes a base portion 26 secured to wand end 14 by suitable means such as rivets 27 (FIG. 5).
- the plug housing further defines a guide portion 28 provided with a through opening 29.
- Hose end 16 is removably received in wand end 14, and when so connected, the plug housing 29 is alligned with the receptacle 24 of the electrical connection means 23, as shown in FIG. 2.
- a plug stop shoulder 30 is provided on the base portion 26 spaced outwardly from the guide portion 28 a preselected distance for effectively preventing movement of the plug 17 outwardly from the guide portion through opening when the plug is installed in a disposition with one end 31 of the plug received in the guide portion opening 29 and the opposite strain relief portion 32 of the plug juxtaposed inwardly of the stop shoulder 30.
- the stop shoulder 30 comprises an upstanding transverse wall on the base portion 26 having a central semicylindrical recess 33 to accommodate cord 20 extending outwardly from the plug in the installed disposition.
- the stop shoulder 30 is rigidified by a pair of webs 34 formed integrally with the base portion 26 and extending outwardly from the stop shoulder to prevent deflection of the stop shoulder away from the plug guide portion 28 of the plug housing.
- the plug housing is further provided with retaining means generally designated 35 for releasably retaining the resilient wall insulated conducting cord 20 from movement away from the base portion 26 of the plug housing, thereby effectively retaining the plug 17 releasably in the installed disposition between the plug housing portion 28 and the stop shoulder 30, as best seen in FIG. 4.
- the cord retaining means 35 is defined by spaced pairs of gripping fingers 36 and 37, which are sufficiently resilient in a direction transverse to the longitudinal axis of insulated cord 20 to permit the resilient wall cord 20 to be releasably urged therebetween into an inner cord receiving recess 38 thereof.
- the various portions of the plug housing including the base portion 26, guide portion 28, stop shoulder 30, rigidifying webs 34, and cord retaining fingers 36 and 37 are formed integrally as a one-piece molded structure of suitable insulating material, such as synthetic resin.
- suitable insulating material such as synthetic resin.
- plug 17 is electrically connected to the receptacle 24 with the plug extending angularly toward the guide portion 28 with the strain relief portion 32 of the plug spaced away from the base portion 26 of the plug housing.
- the guide portion 28 is provided with a guide surface 39 which is angled outwardly away from the receptacle 24 for slidably directing the plug end 31 into the opening 29 so as to bring the terminals 21 and 22 of the plug accurately into electrical connected association with the receptacle 24.
- the plug may be swung inwardly toward the base portion 26 of the plug housing to dispose the strain relief portion 32 longitudinally inwardly of the stop shoulder 30 in the installed arrangement illustrated in FIG. 4.
- the cord 20 may be pressed into the openings 38 between the cord retaining fingers 36 and 37 for releasably retaining the plug in the installed disposition of FIG. 4, thereby effectively precluding undesirable accidental disengagement of the plug from the receptacle 24 during use of the vacuum cleaner.
- the stop shoulder 30 is rigidified against outward movement away from guide portion 28, thereby effectively maintaining the plug in the disposition shown in FIG. 4 until such time as the user swings the plug outwardly to the dotted line position of FIG. 4 in effecting disconnection of the plug from the receptacle 24 as when the vacuum cleaner is to be used without a power-requiring element, such as nozzle 11.
- the electrical connector 17, which has been characterized as a male connector plug, may comprise a female plug with the electrical connector 24 comprising a male element in the housing 25 within the scope of the invention.
- the cooperating cord gripping fingers 36 and 37 effectively define a slot for receiving the power cord 20 outwardly of the strain relief portion 32 of the plug 17.
- the strain relief portion of the plug has a substantially greater extent than the cord and, thus, its engagement with the stop shoulder 30 effectively provides strain relief for the power cord connection to the plug.
- the structure of the present invention provides an improved electrical connection means for use with the wand of a vacuum cleaner which may have selectively attached to one end thereof a device requiring electrical power or a device not requiring electrical power.
- the invention comprehends providing means for selectively retaining the electrical connection plug carried by the wand in positive electrically connected association with the electrical connection means carried by the hose handle end, while yet permitting facilitated disconnection thereof when desired.
- the structure is extremely simple and economical of construction while yet providing this improved, positive electrical connection means.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Electric Vacuum Cleaner (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/306,283 US4422702A (en) | 1981-09-28 | 1981-09-28 | Vacuum cleaner electrical connector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/306,283 US4422702A (en) | 1981-09-28 | 1981-09-28 | Vacuum cleaner electrical connector |
Publications (1)
Publication Number | Publication Date |
---|---|
US4422702A true US4422702A (en) | 1983-12-27 |
Family
ID=23184611
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US06/306,283 Expired - Lifetime US4422702A (en) | 1981-09-28 | 1981-09-28 | Vacuum cleaner electrical connector |
Country Status (1)
Country | Link |
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US (1) | US4422702A (en) |
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4618195A (en) * | 1985-06-03 | 1986-10-21 | Whirlpool Corporation | Vacuum cleaner hose coupling |
US4700429A (en) * | 1986-10-23 | 1987-10-20 | Whirlpool Corporation | Quick release wand for cannister vacuum cleaner |
US4787117A (en) * | 1987-01-22 | 1988-11-29 | Whirlpool Corporation | Vacuum cleaner electrical connector mount |
EP0316554A1 (en) * | 1987-11-16 | 1989-05-24 | Richard Wolf GmbH | Connecting device for endoscopes |
EP0670138A2 (en) * | 1994-03-01 | 1995-09-06 | Aktiebolaget Electrolux | Telescopic tube connection for a vacuum cleaner |
US20060026789A1 (en) * | 2004-08-04 | 2006-02-09 | Panasonic Corporation Of North America | Upright vacuum cleaner incorporating releaseable locking mechanism for wand assembly |
US8752241B2 (en) | 2010-10-06 | 2014-06-17 | Duepro Ag | Vacuum cleaner nozzle with magnetic lock |
US20170062985A1 (en) * | 2015-08-28 | 2017-03-02 | Scott Genoa | Power box for a backpack vacuum |
US10584811B2 (en) | 2009-12-30 | 2020-03-10 | Carl J Garrett | Tapered helically reinforced hose and its manufacture |
US10584812B2 (en) | 2008-05-07 | 2020-03-10 | Globalmed, Inc. | Stretch hose and hose production method |
US10792454B2 (en) | 2017-01-30 | 2020-10-06 | Globalmed, Inc. | Heated respiratory hose assembly |
US10859188B2 (en) | 2009-01-15 | 2020-12-08 | Globalmed, Inc. | Stretch hose and hose production method |
US11448343B2 (en) * | 2016-11-28 | 2022-09-20 | Innovar Engineering As | Fastening means for fastening of a cable to a tubular body |
Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127227A (en) * | 1961-02-27 | 1964-03-31 | Vacuum cleaner connector | |
US3553629A (en) * | 1968-09-09 | 1971-01-05 | Cons Foods Corp | Electric hose with end fittings for a vacuum cleaner |
US3659248A (en) * | 1970-05-04 | 1972-04-25 | Gen Electric | Combined socket cover and plug retainer |
US3961647A (en) * | 1974-01-10 | 1976-06-08 | Doubleday Eric G | Suction pipe having means to support a supply conduit |
US3965526A (en) * | 1972-11-16 | 1976-06-29 | Doubleday Eric G | Suction hose with conductor means for electrical current |
US4094535A (en) * | 1977-01-10 | 1978-06-13 | The Hoover Company | Conductive hose and ends |
US4127316A (en) * | 1977-05-16 | 1978-11-28 | Trw Inc. | Cable clamp construction |
US4165140A (en) * | 1978-02-17 | 1979-08-21 | Whirlpool Corporation | Vacuum cleaner attachment wand with demountable electrical connector |
JPS54160061A (en) * | 1978-06-05 | 1979-12-18 | Matsushita Electric Ind Co Ltd | Sucking force adjusting device of vacuum cleaner |
US4183603A (en) * | 1978-06-09 | 1980-01-15 | Robert Donarummo | Extension cord lock |
US4188081A (en) * | 1978-06-05 | 1980-02-12 | Dayco Corporation | Vacuum cleaner hose assembly and method of making same |
US4316304A (en) * | 1980-09-04 | 1982-02-23 | Parise & Sons, Inc. | Double disconnect, waterproof electrical connector assembly for electrified vacuum hose for wet/dry vacuum cleaner |
-
1981
- 1981-09-28 US US06/306,283 patent/US4422702A/en not_active Expired - Lifetime
Patent Citations (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3127227A (en) * | 1961-02-27 | 1964-03-31 | Vacuum cleaner connector | |
US3553629A (en) * | 1968-09-09 | 1971-01-05 | Cons Foods Corp | Electric hose with end fittings for a vacuum cleaner |
US3659248A (en) * | 1970-05-04 | 1972-04-25 | Gen Electric | Combined socket cover and plug retainer |
US3965526A (en) * | 1972-11-16 | 1976-06-29 | Doubleday Eric G | Suction hose with conductor means for electrical current |
US3961647A (en) * | 1974-01-10 | 1976-06-08 | Doubleday Eric G | Suction pipe having means to support a supply conduit |
US4094535A (en) * | 1977-01-10 | 1978-06-13 | The Hoover Company | Conductive hose and ends |
US4127316A (en) * | 1977-05-16 | 1978-11-28 | Trw Inc. | Cable clamp construction |
US4165140A (en) * | 1978-02-17 | 1979-08-21 | Whirlpool Corporation | Vacuum cleaner attachment wand with demountable electrical connector |
JPS54160061A (en) * | 1978-06-05 | 1979-12-18 | Matsushita Electric Ind Co Ltd | Sucking force adjusting device of vacuum cleaner |
US4188081A (en) * | 1978-06-05 | 1980-02-12 | Dayco Corporation | Vacuum cleaner hose assembly and method of making same |
US4183603A (en) * | 1978-06-09 | 1980-01-15 | Robert Donarummo | Extension cord lock |
US4316304A (en) * | 1980-09-04 | 1982-02-23 | Parise & Sons, Inc. | Double disconnect, waterproof electrical connector assembly for electrified vacuum hose for wet/dry vacuum cleaner |
Cited By (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4618195A (en) * | 1985-06-03 | 1986-10-21 | Whirlpool Corporation | Vacuum cleaner hose coupling |
US4700429A (en) * | 1986-10-23 | 1987-10-20 | Whirlpool Corporation | Quick release wand for cannister vacuum cleaner |
US4787117A (en) * | 1987-01-22 | 1988-11-29 | Whirlpool Corporation | Vacuum cleaner electrical connector mount |
EP0316554A1 (en) * | 1987-11-16 | 1989-05-24 | Richard Wolf GmbH | Connecting device for endoscopes |
US4919621A (en) * | 1987-11-16 | 1990-04-24 | Richard Wolf, Gmbh | Plug and socket type connector for connecting an endoscope to supply units |
EP0670138A2 (en) * | 1994-03-01 | 1995-09-06 | Aktiebolaget Electrolux | Telescopic tube connection for a vacuum cleaner |
EP0670138A3 (en) * | 1994-03-01 | 1996-04-03 | Electrolux Ab | Telescopic tube connection for a vacuum cleaner. |
US20060026789A1 (en) * | 2004-08-04 | 2006-02-09 | Panasonic Corporation Of North America | Upright vacuum cleaner incorporating releaseable locking mechanism for wand assembly |
US10584812B2 (en) | 2008-05-07 | 2020-03-10 | Globalmed, Inc. | Stretch hose and hose production method |
US10859188B2 (en) | 2009-01-15 | 2020-12-08 | Globalmed, Inc. | Stretch hose and hose production method |
US10584811B2 (en) | 2009-12-30 | 2020-03-10 | Carl J Garrett | Tapered helically reinforced hose and its manufacture |
US8752241B2 (en) | 2010-10-06 | 2014-06-17 | Duepro Ag | Vacuum cleaner nozzle with magnetic lock |
US20170062985A1 (en) * | 2015-08-28 | 2017-03-02 | Scott Genoa | Power box for a backpack vacuum |
US9742093B2 (en) * | 2015-08-28 | 2017-08-22 | Imig, Inc. | Power box for a backpack vacuum |
US11448343B2 (en) * | 2016-11-28 | 2022-09-20 | Innovar Engineering As | Fastening means for fastening of a cable to a tubular body |
US10792454B2 (en) | 2017-01-30 | 2020-10-06 | Globalmed, Inc. | Heated respiratory hose assembly |
US11052214B2 (en) | 2017-01-30 | 2021-07-06 | Globalmed, Inc. | Heated respiratory hose wiring |
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